题干
— May I help you, sir?
— I want a white shirt.
A：Here you are.
B：Yes, please.
C：No, thank you.
D：No, I'm not.
答案(点此获取答案解析）
B
— May I help you, sir?
— I want a white shirt.
A：Here you are.
B：Yes, please.
C：No, thank you.
D：No, I'm not.
